# A084210 (b-file synthesized from sequence entry)
0 1
1 1
2 -4
3 25
4 -173
5 1292
6 -10105
7 81565
8 -673691
9 5662878
10 -48263038
11 415950272
12 -3617999891
13 31714089336
14 -279828926113
15 2483097203637
16 -22143011361045
17 198317403322755